/* SEO Audit Wizard — shared stylesheet. System fonts only, no external dependencies. */
:root{
  --ink:#0f172a; --navy:#12233a; --navy-2:#0b1a2b; --teal:#0d9488; --teal-dark:#0f766e;
  --teal-soft:#e6f7f4; --bg:#f7f9fb; --card:#ffffff; --line:#e2e8f0; --text:#1e293b;
  --muted:#64748b; --pass:#15803d; --pass-bg:#dcfce7; --warn:#b45309; --warn-bg:#fef3c7;
  --fail:#b91c1c; --fail-bg:#fee2e2; --radius:12px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);background:var(--bg);line-height:1.6;font-size:16px}
h1,h2,h3{color:var(--ink);line-height:1.25;margin:0 0 .5rem}
h1{font-size:2rem} h2{font-size:1.5rem} h3{font-size:1.15rem}
p{margin:0 0 1rem} a{color:var(--teal-dark);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.container{max-width:1080px;margin:0 auto;padding:0 20px}
.muted{color:var(--muted)} .small{font-size:.875rem} .center{text-align:center}
.mt-0{margin-top:0}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:2rem}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:2rem}

/* Header */
.site-header{background:var(--navy-2);color:#fff;position:sticky;top:0;z-index:50;
  box-shadow:0 1px 0 rgba(255,255,255,.06)}
.header-inner{display:flex;align-items:center;gap:16px;height:60px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:1.1rem;white-space:nowrap}
.brand:hover{text-decoration:none}
.brand svg{flex:none}
.brand small{display:block;font-size:.68rem;font-weight:500;color:#94a3b8;line-height:1}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{color:#cbd5e1;padding:8px 10px;border-radius:8px;font-size:.92rem;white-space:nowrap}
.nav a:hover{color:#fff;background:rgba(255,255,255,.08);text-decoration:none}
.nav a.active{color:#fff;background:rgba(13,148,136,.35)}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid #334155;color:#fff;
  border-radius:8px;padding:6px 10px;font-size:1rem;cursor:pointer}
@media (max-width:860px){
  .nav{display:none;position:absolute;top:60px;left:0;right:0;background:var(--navy-2);
    flex-direction:column;align-items:stretch;padding:10px 20px 14px;border-top:1px solid #1e293b}
  .nav.open{display:flex}
  .nav-toggle{display:block}
}

/* Hero */
.hero{background:linear-gradient(135deg,var(--navy-2) 0%,var(--navy) 55%,#0f3a3a 100%);color:#fff;
  padding:56px 0 48px}
.hero h1{color:#fff;font-size:2.4rem;max-width:640px}
.hero p.lead{color:#cbd5e1;font-size:1.12rem;max-width:640px}
.hero .badge{display:inline-block;background:rgba(13,148,136,.25);border:1px solid rgba(45,212,191,.5);
  color:#5eead4;border-radius:999px;padding:4px 12px;font-size:.82rem;font-weight:600;margin-bottom:14px}
@media (max-width:640px){.hero h1{font-size:1.8rem}.hero{padding:40px 0 32px}}

/* Buttons & forms */
.btn{display:inline-block;background:var(--teal);color:#fff;border:1px solid var(--teal);
  border-radius:9px;padding:11px 20px;font-size:.98rem;font-weight:600;cursor:pointer;
  text-align:center;line-height:1.3}
.btn:hover{background:var(--teal-dark);border-color:var(--teal-dark);text-decoration:none}
.btn.secondary{background:#fff;color:var(--ink);border-color:var(--line)}
.btn.secondary:hover{background:#f1f5f9;border-color:#cbd5e1}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn.ghost:hover{background:rgba(255,255,255,.1)}
.btn.small{padding:7px 12px;font-size:.88rem}
.btn.block{width:100%}
.btn:disabled{opacity:.6;cursor:wait}
.field{margin-bottom:14px}
.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:5px;color:var(--ink)}
.field .hint{font-size:.83rem;color:var(--muted);font-weight:400}
.input,textarea.input,select.input{width:100%;padding:10px 12px;border:1px solid var(--line);
  border-radius:9px;font-size:.98rem;font-family:inherit;color:var(--text);background:#fff}
.input:focus{outline:2px solid var(--teal);outline-offset:1px;border-color:var(--teal)}
textarea.input{min-height:120px;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9rem}
textarea.input.plain{font-family:inherit}
.radio-row{display:flex;gap:16px;flex-wrap:wrap}
.radio-row label{font-weight:400;display:flex;gap:6px;align-items:center}

/* Cards, panels, grid */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:24px}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.tool-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;color:var(--text);transition:border-color .15s,box-shadow .15s}
.tool-card:hover{border-color:var(--teal);box-shadow:0 4px 18px rgba(15,23,42,.08);text-decoration:none}
.tool-card h3{margin:8px 0 4px;font-size:1.08rem}
.tool-card p{margin:0;color:var(--muted);font-size:.93rem}
.tool-icon{width:42px;height:42px;border-radius:10px;background:var(--teal-soft);display:flex;
  align-items:center;justify-content:center;color:var(--teal-dark)}
.tag{display:inline-block;background:#f1f5f9;border:1px solid var(--line);border-radius:999px;
  padding:2px 9px;font-size:.75rem;color:var(--muted);margin-top:10px}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.step-num{width:34px;height:34px;border-radius:50%;background:var(--teal);color:#fff;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-bottom:10px}

/* Tabs */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.tab{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 16px;
  font-size:.92rem;font-weight:600;cursor:pointer;color:var(--text)}
.tab.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.tabpanel{display:none}.tabpanel.active{display:block}

/* Output blocks */
pre.output{background:#0f172a;color:#e2e8f0;border-radius:10px;padding:16px;overflow:auto;
  font-size:.86rem;line-height:1.55;white-space:pre-wrap;word-break:break-word;margin:0}
.code-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap}
.meter{height:8px;background:#e2e8f0;border-radius:999px;overflow:hidden;margin-top:6px}
.meter > span{display:block;height:100%;background:var(--teal);border-radius:999px}
.meter.over > span{background:var(--fail)}
.counter-line{display:flex;justify-content:space-between;font-size:.85rem;color:var(--muted)}
.counter-line b{color:var(--ink)}

/* Score & checklist */
.score-wrap{display:flex;gap:22px;align-items:center;flex-wrap:wrap;margin-bottom:18px}
.score-num{font-size:3rem;font-weight:800;color:var(--ink);line-height:1}
.score-grade{font-size:1rem;font-weight:700;color:#fff;background:var(--teal);border-radius:8px;padding:3px 10px}
.score-bar{flex:1;min-width:200px}
.score-counts{display:flex;gap:14px;font-size:.9rem;flex-wrap:wrap}
.score-counts b{font-size:1.05rem}
.check-list{list-style:none;margin:0;padding:0}
.check-list li{border-top:1px solid var(--line);padding:13px 0}
.check-list li:first-child{border-top:0}
.check-top{display:flex;gap:10px;align-items:flex-start}
.chip{flex:none;font-size:.72rem;font-weight:700;border-radius:999px;padding:2px 9px;margin-top:2px}
.chip.pass{background:var(--pass-bg);color:var(--pass)}
.chip.warn{background:var(--warn-bg);color:var(--warn)}
.chip.fail{background:var(--fail-bg);color:var(--fail)}
.check-detail{color:var(--muted);font-size:.9rem;margin:2px 0 0 34px}
.check-fix{color:var(--text);font-size:.9rem;margin:4px 0 0 34px}
.check-fix b{color:var(--teal-dark)}
.notice{background:#fffbeb;border:1px solid #fde68a;border-radius:10px;padding:12px 16px;font-size:.93rem}
.notice.info{background:#eff6ff;border-color:#bfdbfe}
.notice.error{background:#fef2f2;border-color:#fecaca}

/* Tables */
table.data{width:100%;border-collapse:collapse;font-size:.93rem}
table.data th,table.data td{border-bottom:1px solid var(--line);padding:9px 8px;text-align:left}
table.data th{color:var(--muted);font-size:.82rem;text-transform:uppercase;letter-spacing:.03em}
table.data td.num,table.data th.num{text-align:right}

/* Previews */
.serp{border:1px solid var(--line);border-radius:10px;padding:16px;background:#fff;max-width:600px}
.serp .s-url{color:#006621;font-size:.85rem;margin-bottom:2px;word-break:break-all}
.serp .s-title{color:#1a0dab;font-size:1.12rem;line-height:1.3;margin-bottom:2px}
.serp .s-desc{color:#545454;font-size:.88rem;line-height:1.45}
.og-card{border:1px solid var(--line);border-radius:10px;overflow:hidden;max-width:480px;background:#fff}
.og-card .og-img{height:220px;background:linear-gradient(135deg,var(--navy),var(--teal));
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600}
.og-card .og-img img{width:100%;height:100%;object-fit:cover;display:block}
.og-card .og-body{padding:12px 14px}
.og-card .og-domain{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.og-card .og-title{font-weight:700;color:var(--ink);line-height:1.3;margin:3px 0}
.og-card .og-desc{font-size:.88rem;color:var(--muted);margin:0}

/* FAQ */
details.faq{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:10px}
details.faq summary{font-weight:600;cursor:pointer;color:var(--ink)}
details.faq p{margin:8px 0 0}

/* Stats / counters */
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px}
.stat{background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:14px;text-align:center}
.stat b{display:block;font-size:1.5rem;color:var(--ink)}
.stat span{font-size:.85rem;color:var(--muted)}

/* Footer */
.site-footer{background:var(--navy-2);color:#94a3b8;margin-top:56px;padding:40px 0 28px;font-size:.92rem}
.site-footer a{color:#cbd5e1}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:10px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}
@media (max-width:720px){.footer-grid{grid-template-columns:1fr}}
.footer-grid ul{list-style:none;margin:0;padding:0}
.footer-grid li{margin-bottom:7px}
.footer-bottom{border-top:1px solid #1e293b;margin-top:28px;padding-top:18px;font-size:.85rem}

/* Toast */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);
  background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;font-size:.92rem;
  opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:100;white-space:nowrap}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* Button row */
.btn-row{display:flex;gap:10px;flex-wrap:wrap}
.kbd-list{list-style:none;margin:0;padding:0}
.kbd-list li{display:flex;gap:12px;padding:9px 0;border-top:1px solid var(--line);align-items:flex-start}
.kbd-list li:first-child{border-top:0}
.row-label{flex:none;width:170px;font-weight:600;font-size:.92rem;color:var(--ink)}
@media (max-width:640px){.row-label{width:110px}}